Home / 458,831.40-633,288.52-254,952.36

Finding the Fourth Proportional to 458,831.40, 633,288.52 and 254,952.36

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Solution

The fourth proportional to 458,831.40, 633,288.52 and 254,952.36 is: 351,890.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,831.40 : 633,288.52 = 254,952.36 : x
  2. Step 2: Convert to fraction form
    458,831.40/633,288.52 = 254,952.36/x
  3. Step 3: Cross multiply
    458,831.40x = 633,288.52 × 254,952.36
  4. Step 4: Simplify right side
    458,831.40x = 161,458,402,734.91
  5. Step 5: Solve for x
    x = 161,458,402,734.91/458,831.40
  6. Step 6: Final answer
    x = 351,890.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.